/* ============================================================
   TESTIMONIALS SECTION — Lightweight Animations
   Performance-first: only opacity + transform (GPU-composited).
   No backdrop-filter, no filter blur, no @property, no conic-gradient.
   ============================================================ */

/* ─────────────────────────────────────────────
   1. SECTION BACKGROUND — Static gradient (no animation, no blur)
   ───────────────────────────────────────────── */

#section-testimonials {
    position: relative;
}

#section-testimonials::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
    top: -150px;
    right: -150px;
    pointer-events: none;
    z-index: 0;
}

#section-testimonials::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.05) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    pointer-events: none;
    z-index: 0;
}


/* ─────────────────────────────────────────────
   2. CARD VISUAL UPGRADE — No backdrop-filter
   ───────────────────────────────────────────── */

.review-card {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 1.5rem;
    position: relative;
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.review-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px -12px rgba(37, 99, 235, 0.2);
    border-color: rgba(37, 99, 235, 0.3);
}

/* AI logo avatars — replace letter initials with images */
.review-avatar-img {
    object-fit: contain;
    background: white;
    padding: 0.35rem;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

/* 5-card grid: 3 top, 2 centered below via 6-col sub-grid */
@media (min-width: 1024px) {
    #section-testimonials .testimonials-grid {
        grid-template-columns: repeat(6, 1fr);
    }

    /* First 3 cards: each spans 2 of 6 columns = 3 equal cards */
    #section-testimonials .testimonials-grid .review-card:nth-child(-n+3) {
        grid-column: span 2;
    }

    /* Card 4: columns 2–3, Card 5: columns 4–5 → centered pair */
    #section-testimonials .testimonials-grid .review-card:nth-child(4) {
        grid-column: 2 / span 2;
    }

    #section-testimonials .testimonials-grid .review-card:nth-child(5) {
        grid-column: 4 / span 2;
    }
}

/* Decorative quote mark — static, no animation */
.review-text {
    position: relative;
}

.review-text::before {
    content: '\201C';
    position: absolute;
    top: -0.5rem;
    right: -0.3rem;
    font-size: 4rem;
    font-family: Georgia, serif;
    line-height: 1;
    color: rgba(37, 99, 235, 0.07);
    pointer-events: none;
}


/* ─────────────────────────────────────────────
   3. JS-DRIVEN CARD & HEADING REVEAL
   Only uses opacity + transform (GPU-composited, zero layout/paint).
   ───────────────────────────────────────────── */

/* Initial hidden state — applied by JS */
#section-testimonials .review-card.tst-init {
    opacity: 0;
    transform: translateY(40px);
}

/* Direction variants */
#section-testimonials .review-card.tst-from-left {
    transform: translateX(-40px) translateY(20px);
}

#section-testimonials .review-card.tst-from-right {
    transform: translateX(40px) translateY(20px);
}

/* Visible state */
#section-testimonials .review-card.tst-visible {
    opacity: 1;
    transform: translate(0, 0);
    transition: opacity 0.6s ease-out, transform 0.7s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Heading reveal */
#section-testimonials .tst-heading-init {
    opacity: 0;
    transform: translateY(24px);
}

#section-testimonials .tst-heading-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s ease-out, transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}


/* ─────────────────────────────────────────────
   4. PARTNERS LOGO MARQUEE — GPU-optimized
   ───────────────────────────────────────────── */

.partners-grid {
    display: flex;
    flex-wrap: nowrap !important;
    /* NO gap here — gap between tracks breaks the seamless loop */
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
    position: relative;
    transform: translateX(var(--mx, 0px));
}

.partners-bottom {
    transform: translateX(var(--mx-r, 0px));
}

.partners-marquee-track {
    display: flex;
    gap: 3rem;
    flex-shrink: 0;
    padding-inline-end: 3rem;
    /* matches gap so the seam is seamless */
    animation: marquee-left 28s linear infinite;
}

.partners-bottom .partners-marquee-track {
    animation-name: marquee-right;
}

@keyframes marquee-left {
    from {
        transform: translate3d(0, 0, 0);
    }

    to {
        transform: translate3d(-100%, 0, 0);
    }
}

@keyframes marquee-right {
    from {
        transform: translate3d(-100%, 0, 0);
    }

    to {
        transform: translate3d(0, 0, 0);
    }
}

/* Pause on hover */
.partners-grid:hover .partners-marquee-track {
    animation-play-state: paused;
}

.partners-grid img {
    height: 3.5rem;
    opacity: 0.4;
    transition: opacity 0.3s ease;
    flex-shrink: 0;
}

.partners-grid img:hover {
    opacity: 1;
}

/* Bottom marquee spacing */
.partners-bottom {
    margin-top: 3rem;
    margin-bottom: 1rem;
}


/* ─────────────────────────────────────────────
   5. AVATAR HOVER — Lightweight
   ───────────────────────────────────────────── */

.review-avatar {
    transition: transform 0.3s ease;
}

.review-card:hover .review-avatar {
    transform: scale(1.08);
}

.review-info h4 {
    transition: color 0.25s ease;
}

.review-card:hover .review-info h4 {
    color: #2563eb;
}


/* ─────────────────────────────────────────────
   6. DARK MODE
   ───────────────────────────────────────────── */

[data-theme='dark'] .review-card {
    background: rgba(30, 41, 59, 0.92);
    border-color: rgba(255, 255, 255, 0.06);
}

[data-theme='dark'] .review-card:hover {
    box-shadow: 0 16px 40px -12px rgba(37, 99, 235, 0.12);
}

[data-theme='dark'] .review-text::before {
    color: rgba(99, 155, 255, 0.08);
}

[data-theme='dark'] .review-card:hover .review-info h4 {
    color: #60a5fa;
}

[data-theme='dark'] .partners-grid img {
    opacity: 0.25;
}

[data-theme='dark'] .partners-grid img:hover {
    opacity: 0.85;
}


/* ─────────────────────────────────────────────
   7. REDUCED MOTION
   ───────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
    .partners-marquee-track {
        animation: none !important;
    }

    .review-card,
    .review-card.tst-init {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }

    .tst-heading-init {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}


/* ─────────────────────────────────────────────
   8. RESPONSIVE
   ───────────────────────────────────────────── */

@media (max-width: 768px) {
    .review-text::before {
        font-size: 3rem;
    }

    .partners-grid img {
        height: 2.5rem;
    }
}